Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
die developpement » de developpement, le developpement, du developpement
technologies iot » technologies ict, technologies icts, technologies art
information part » information pt, information portal, information portals
developpement en » developpement et, developpement des, developpement de
iot information » ist information, cost information, plot information
part de » parti de, part des, parte de
de 3.1 » de 3.2, de 3.3, de 3.4

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies iot information part de 3.1 communications _ die developpement en afrique.*.